On testing the simulation hypothesis

Tom Campbell, Houman Owhadiy, Joe Sauvageauz, David Watkinson Can the hypothesis that reality is a simulation be tested? We investigate this question based on the assumption that if the system performing the simulation is fi nite (i.e. has limited resources), then to achieve low computational complexity, such a system would, as in a video game, render content (reality) only at the moment that information... Read more →

Weekly Papers on Quantum Foundations (9)

Reversible time travel with freedom of choice. (arXiv:1703.00779v1 [gr-qc])  quant-ph updates on arXiv.org on 2017-3-04 8:42am GMT Authors: Ämin Baumeler, Fabio Costa, Timothy C. Ralph, Stefan Wolf, Magdalena Zych General relativity predicts the existence of closed time-like curves, along which a material object could travel back in time and interact with its past self. The natural question is whether this possibility leads to inconsistencies: Could... Read more →

History of Quantum Mechanics or the Comedy of Errors

Jean Bricmont (IRMP, Universite catholique de Louvain) The goal of this paper is to explain how the views of Albert Einstein, John Bell and others, about nonlocality and the conceptual issues raised by quantum mechanics, have been rather systematically misunderstood by the majority of physicists. Full text    

Weekly Papers on Quantum Foundations (8)

Would Superluminal Influences Violate the Principle of Relativity ?  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2017-2-25 8:57pm GMT Peacock, Kent A. (2014) Would Superluminal Influences Violate the Principle of Relativity ? [Published Article or Volume] The Manipulability Account of Causation Applied to Typical Physical Systems  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2017-2-25 8:57pm GMT Vervoort, Louis... Read more →

Weekly Papers on Quantum Foundations (7)

Information content of systems as a physical principle  PRA: Fundamental concepts on 2017-2-17 3:00pm GMT Author(s): L. Czekaj, M. Horodecki, P. Horodecki, and R. Horodecki To explain the conceptual gap between classical and quantum and other, hypothetical descriptions of the world, several principles have been proposed. So far, all these principles have not explicitly included the uncertainty relation. Here we... Read more →

Weekly Papers on Quantum Foundations (6)

Objective probability and the mind-body relation  ScienceDirect Publication: Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics on 2017-2-10 1:42pm GMT Publication date: Available online 9 February 2017 Source:Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics Author(s): Paul Tappenden Objective probability in quantum mechanics... Read more →

Weekly Papers on Quantum Foundations (5)

The Significance of Non-Empirical Confirmation in Fundamental Physics  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2017-2-04 8:56pm GMT Dawid, Richard (2017) The Significance of Non-Empirical Confirmation in Fundamental Physics. [Preprint] On the Persistence of the Electromagnetic Field  Philsci-Archive: No conditions. Results ordered -Date Deposited. on 2017-2-03 8:38pm GMT Gomori, Marton and Szabo, Laszlo E. (2017) On the Persistence of... Read more →

Weekly Papers on Quantum Foundations (4)

Does the Universe have a Hard Drive?. (arXiv:1701.07161v1 [physics.pop-ph] CROSS LISTED)  hep-th updates on arXiv.org on 2017-1-28 2:52am GMT Authors: Zura Kakushadze We discuss an apparent information paradox that arises in a materialist's description of the Universe if we assume that the Universe is 100% quantum. We discuss possible ways out of the paradox, including that Laws of Nature are not... Read more →

Electron-photon interaction and thermal disequilibrium irreversibility

Umberto Lucia (Politecnico di Torino) Atoms continuously interact with the photons of the electromagnetic fields in their environment. This electromagnetic interaction is the consequence of the thermal non-equilibrium. It introduces an element of randomness to atomic and molecular motion, which brings to the decreasing of path information required for microscopic reversibility of evolution. In any atomic electron-photon interaction an energy... Read more →

Weekly Papers on Quantum Foundations (3)

Wigner-Araki-Yanase theorem beyond conservation laws  PRA: Fundamental concepts on 2017-1-20 3:00pm GMT Author(s): Mikko Tukiainen The ability to measure every quantum observable is ensured by a fundamental result in quantum measurement theory. Nevertheless, additive conservation laws associated with physical symmetries, such as the angular momentum conservation, may lead to restrictions on the measurability of the observables.… [Phys. Rev. A 95,... Read more →

Duration and its Relationship to the Structure of Space-Time

Andreas Schlatter The notion of duration is a fundamental feature of intuitive time. Under the assumption that the duration of a measurement is defined to produce a result with certainty, we define a universal observer who observes the position of a physical system. We investigate what conclusions for the structure of space-time the universal observer can draw. It turns out that the perspective... Read more →